Created in IC clips and chip jack have been installed to test pin of the board has been used in the voltage check and adjustment as an auxiliary tool of the tester lead rod. Similar products from the tester manufacturers have been sold and is ¥ 1,000 or more.
So you can create, including wire by ¥ 160 before and after giving away to make a lot for the house.
I think that it is good at low cost.